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46822 (1998 MQ32)
Classification: Main-belt Asteroid          SPK-ID: 2046822
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2006879905287042 3.4281e-08  
a 2.633275512365791 1.0794e-08 au
q 2.104808741280656 8.7851e-08 au
i 12.42694694361213 5.1017e-06 deg
node 279.0026065582184 2.1955e-05 deg
peri 54.77448590097479 2.7049e-05 deg
M 107.7226921048427 1.5148e-05 deg
tp 2458929.466992630600
(2020-Mar-20.96699263)
6.4923e-05 TDB
period 1560.784263443278
4.27
9.5966e-06
2.627e-08
d
yr
n .2306532737623819 1.4182e-09 deg/d
Q 3.161742283450926 1.296e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1331  
   data-arc span      8344 days (22.84 yr)  
   first obs. used      1998-06-16  
   last obs. used      2021-04-20  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .47682  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 21:26:01  

Additional Information
 Earth MOID = 1.11952 au 
 Jupiter MOID = 2.25698 au 
 T_jup = 3.337 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457694.5 (2016-Nov-02.0) TDB
Reference: JPL 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2017809070961238 3.419e-08  
q 2.101161675586655 8.7693e-08 au
tp 2457370.571015452137
(2015-Dec-14.07101545)
6.3161e-05 TDB
node 279.0297265894852 2.198e-05 deg
peri 54.99630877705336 2.7045e-05 deg
i 12.42248367296568 5.102e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1331  
   data-arc span      8344 days (22.84 yr)  
   first obs. used      1998-06-16  
   last obs. used      2021-04-20  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .47682  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 21:26:01  

Additional Information
 Jupiter MOID = 2.25698 au 
 T_jup = 3.337 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.168924448445618E-15 -2.985237848200375E-15 4.059811721564581E-13 -4.015456487543951E-15 6.441434991736989E-14 -2.100260928318098E-15
q -2.985237848200375E-15 7.69009988041042E-15 -1.031834256350928E-12 1.118675419820135E-14 -1.591177606753169E-13 5.124753883940199E-15
tp 4.059811721564581E-13 -1.031834256350928E-12 3.989281144177052E-9 -1.428562896202005E-11 1.018798860313349E-9 -8.784141852919218E-12
node -4.015456487543951E-15 1.118675419820135E-14 -1.428562896202005E-11 4.831351850038482E-10 -4.748298644048992E-10 -5.601195238303883E-11
peri 6.441434991736989E-14 -1.591177606753169E-13 1.018798860313349E-9 -4.748298644048992E-10 7.314434291730633E-10 5.247403810565957E-11
i -2.100260928318098E-15 5.124753883940199E-15 -8.784141852919218E-12 -5.601195238303883E-11 5.247403810565957E-11 2.603039343637876E-11

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.29   n/a MPCxxxxx  
diameter diameter 4.456 km 0.378 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.223   0.047 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

46822 (1998 MQ32)          Discovered 1998-Jun-24 by LINEAR at Socorro
Reference: 20020921/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1998 MQ32 = 2000 AJ16 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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